Compilare: user.cpp: In function ‘int main()’: user.cpp:40:11: warning: statement has no effect [-Wunused-value] for(in;in!=fi;in++) ^ user.cpp:50:15: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d",ma); ^ user.cpp:62:11: warning: statement has no effect [-Wunused-value] for(in;in!=fi;in++) ^ user.cpp:13:13: warning: variable ‘b’ set but not used [-Wunused-but-set-variable] int n,i,j,a,b,m;long long ma=-199999990; ^ user.cpp:8:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen("pm2.in","r",stdin); ^ user.cpp:9:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pm2.out","w",stdout); ^ user.cpp:15:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:17:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&(c[i])); ^ user.cpp:20:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%d",&m); ^ user.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a); ^